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ST72F321M9T6 Datasheet(PDF) 1 Page - STMicroelectronics

No. de pieza ST72F321M9T6
Descripción Electrónicos  80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC, five timers, SPI, SCI, I2C interface
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72F321M9T6 Datasheet(HTML) 1 Page - STMicroelectronics

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May 2009
Doc ID 12706 Rev 2
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ST72321M6
ST72321M9
80-pin 8-bit MCU with 32 to 60 Kbytes Flash, ADC,
five timers, SPI, SCI, I2C interface
Features
Memories
– 32 Kbytes to 60 Kbytes dual voltage High
Density Flash (HDFlash) with read-out protec-
tion capability. In-application programming
and In-circuit programming.
– 1 Kbyte to 2 Kbytes RAM
– HDFlash endurance: 100 cycles at 85 °C;
data retention: 40 years at 85 °C
Clock, reset and supply management
– Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
– Clock sources: crystal/ceramic resonator os-
cillators, internal RC oscillator and bypass for
external clock
– PLL for 2x frequency multiplication
– Four power saving modes: Halt, Active-Halt,
Wait and Slow
Interrupt management
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– Top Level Interrupt (TLI) pin
– 15 external interrupt lines (on 4 vectors)
Up to 64 I/O ports
– 64 multifunctional bidirectional I/O lines
– 34 alternate function lines
– 16 high sink outputs
5 timers
– Main clock controller with: Real-time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
– Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input on one tim-
er, PWM and pulse generator modes
– 8-bit PWM Auto-Reload timer with: 2 input
captures, 4 PWM outputs, output compare
and time base interrupt, external clock with
event detector
4 Communication interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface
–I2C multimaster interface
(SMbus V1.1 compliant)
Analog periperal (low current coupling)
– 10-bit ADC with 16 input robust input ports
Instruction set
– 8-bit data manipulation
– 63 basic Instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
Development tools
– Full hardware/software development package
– In-circuit testing capability
Table 1. Device summary
LQFP80
14 x 14
Features
ST72321M9
ST72321M6
Flash program memory
60 Kbytes
32 Kbytes
RAM (stack) - bytes
2048 bytes (256 bytes)
1024 (256 bytes)
Operating voltage
3.8 V to 5.5 V
Temperature range
-40 °C to +85 °C
Package
LQFP80 14x14
1


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